209225120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 192

約数和(自身を含む): 578775456

約数和(自身を除く): 369550336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 61, 65, 68, 80, 85, 97, 104, 122, 130, 136, 160, 170, 194, 208, 221, 244, 260, 272, 305, 340, 388, 416, 442, 485, 488, 520, 544, 610, 680, 776, 793, 884, 970, 976, 1037, 1040, 1105, 1220, 1261, 1360, 1552, 1586, 1649, 1768, 1940, 1952, 2074, 2080, 2210, 2440, 2522, 2720, 3104, 3172, 3298, 3536, 3880, 3965, 4148, 4420, 4880, 5044, 5185, 5917, 6305, 6344, 6596, 7072, 7760, 7930, 8245, 8296, 8840, 9760, 10088, 10370, 11834, 12610, 12688, 13192, 13481, 15520, 15860, 16490, 16592, 17680, 20176, 20740, 21437, 23668, 25220, 25376, 26384, 26962, 29585, 31720, 32980, 33184, 35360, 40352, 41480, 42874, 47336, 50440, 52768, 53924, 59170, 63440, 65960, 67405, 76921, 82960, 85748, 94672, 100589, 100880, 107185, 107848, 118340, 126880, 131920, 134810, 153842, 165920, 171496, 189344, 201178, 201760, 214370, 215696, 236680, 263840, 269620, 307684, 342992, 384605, 402356, 428740, 431392, 473360, 502945, 539240, 615368, 685984, 769210, 804712, 857480, 946720, 1005890, 1078480, 1230736, 1307657, 1538420, 1609424, 1714960, 2011780, 2156960, 2461472, 2615314, 3076840, 3218848, 3429920, 4023560, 5230628, 6153680, 6538285, 8047120, 10461256, 12307360, 13076570, 16094240, 20922512, 26153140, 41845024, 52306280, 104612560, 209225120]

約数ペア:

[(1, 209225120), (2, 104612560), (4, 52306280), (5, 41845024), (8, 26153140), (10, 20922512), (13, 16094240), (16, 13076570), (17, 12307360), (20, 10461256), (26, 8047120), (32, 6538285), (34, 6153680), (40, 5230628), (52, 4023560), (61, 3429920), (65, 3218848), (68, 3076840), (80, 2615314), (85, 2461472), (97, 2156960), (104, 2011780), (122, 1714960), (130, 1609424), (136, 1538420), (160, 1307657), (170, 1230736), (194, 1078480), (208, 1005890), (221, 946720), (244, 857480), (260, 804712), (272, 769210), (305, 685984), (340, 615368), (388, 539240), (416, 502945), (442, 473360), (485, 431392), (488, 428740), (520, 402356), (544, 384605), (610, 342992), (680, 307684), (776, 269620), (793, 263840), (884, 236680), (970, 215696), (976, 214370), (1037, 201760), (1040, 201178), (1105, 189344), (1220, 171496), (1261, 165920), (1360, 153842), (1552, 134810), (1586, 131920), (1649, 126880), (1768, 118340), (1940, 107848), (1952, 107185), (2074, 100880), (2080, 100589), (2210, 94672), (2440, 85748), (2522, 82960), (2720, 76921), (3104, 67405), (3172, 65960), (3298, 63440), (3536, 59170), (3880, 53924), (3965, 52768), (4148, 50440), (4420, 47336), (4880, 42874), (5044, 41480), (5185, 40352), (5917, 35360), (6305, 33184), (6344, 32980), (6596, 31720), (7072, 29585), (7760, 26962), (7930, 26384), (8245, 25376), (8296, 25220), (8840, 23668), (9760, 21437), (10088, 20740), (10370, 20176), (11834, 17680), (12610, 16592), (12688, 16490), (13192, 15860), (13481, 15520)]